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CWE-703 (对异常条件检查或处理不恰当) — Vulnerability Class 94

94 vulnerabilities classified as CWE-703 (对异常条件检查或处理不恰当). AI Chinese analysis included.

CWE-703 represents a critical design flaw where software fails to adequately anticipate or manage rare, exceptional conditions that may arise during normal operation. This weakness typically manifests when developers assume ideal execution paths, neglecting to implement robust error handling for unexpected inputs, resource exhaustion, or environmental anomalies. Attackers exploit these gaps by triggering edge cases that bypass standard validation, potentially causing denial of service, data corruption, or unauthorized access through unhandled exceptions. To mitigate this risk, developers must adopt a defensive programming mindset, rigorously testing for boundary conditions and implementing comprehensive exception handling mechanisms. By validating all inputs and ensuring graceful degradation under stress, engineers can prevent these overlooked scenarios from becoming exploitable vulnerabilities, thereby enhancing overall system resilience and security posture against sophisticated adversarial techniques.

MITRE CWE Description
The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.
Common Consequences (1)
Confidentiality, Availability, IntegrityRead Application Data, DoS: Crash, Exit, or Restart, Unexpected State
Examples (2)
Consider the following code segment:
char buf[10], cp_buf[10]; fgets(buf, 10, stdin); strcpy(cp_buf, buf);
Bad · C
The following method throws three types of exceptions.
public void doExchange() throws IOException, InvocationTargetException, SQLException { ... }
Good · Java
public void doExchange() throws Exception { ... }
Bad · Java
CVE IDTitleCVSSSeverityPublished
CVE-2026-34388 Fleet vulnerable to Denial of Service via unhandled gRPC log type in launcher endpoint — fleet 6.5 -2026-03-27
CVE-2025-59787 HTTP 5XX Internal Server Errors — 2N Access Commander 8.6AIHighAI2026-03-04
CVE-2026-28407 malcontent's nested archive extraction failure can drop content from scan inputs — malcontent 8.2 -2026-02-27
CVE-2026-1996 Certain HP OfficeJet Pro Printers – Denial of Service — HP OfficeJet Pro 8710 All-in-One Printer series 7.5AIHighAI2026-02-10
CVE-2025-68135 EVerest's inadequate exception handling leads to denial of service — everest-core 6.5 Medium2026-01-21
CVE-2026-21895 rsa crate has potential panic on a prime being equal to 1 — RSA 7.5 -2026-01-08
CVE-2025-14874 Nodemailer: nodemailer: denial of service via crafted email address header — nodemailer 7.5 High2025-12-18
CVE-2025-64435 KubeVirt VMI Denial-of-Service (DoS) Using Pod Impersonation — kubevirt 5.3 Medium2025-11-07
CVE-2025-12890 Bluetooth: peripheral: Invalid handling of malformed connection request — Zephyr 6.5 Medium2025-11-07
CVE-2025-59836 Omni is Vulnerable to DoS via Empty Create/Update Resource Requests — omni 5.3 Medium2025-10-13
CVE-2025-31998 HCL Unica Centralized Offer Management is vulnerable to poor unhandled exceptions which exposes sensitive information — Unica Centralized Offer Management 3.5 Low2025-10-12
CVE-2025-61602 BigBlueButton vulnerable to Chat DoS via invalid reactionEmojiId — bigbluebutton 7.5 High2025-10-09
CVE-2025-61601 BigBlueButton vulnerable to DoS via PollSubmitVote GraphQL mutation — bigbluebutton 7.5 High2025-10-09
CVE-2025-59531 Unauthenticated argocd-server panic via a malicious Bitbucket-Server webhook payload — argo-cd 7.5 High2025-10-01
CVE-2025-58758 TinyEnv: Missing .env file not required — may cause unexpected behavior — tiny-env 5.1 Medium2025-09-09
CVE-2025-3084 MongoDB Server may crash due to improper validation of explain command — MongoDB Server 6.5 Medium2025-04-01
CVE-2025-24371 Malicious peer can make node stuck in blocksync in github.com/cometbft/cometbft — cometbft 5.3 -2025-02-03
CVE-2024-51491 Process crash during CRL-based revocation check on OS using separate mount point for temp Directory in notation-go — notation-go 3.3 Low2025-01-13
CVE-2024-55548 Denial of Service — IAP-420 7.5 -2024-12-10
CVE-2024-10781 Spam protection, Anti-Spam, FireWall by CleanTalk <= 6.44 - Authorization Bypass due to Missing Empty Value Check to Unauthenticated Arbitrary Plugin Installation — Spam protection, Honeypot, Anti-Spam by CleanTalk 8.1 High2024-11-26
CVE-2024-9104 UltimateAI <= 2.8.3 - Limited User Password Change due to Improper Empty and Missing Default Value Check — Ultimate AI 5.6 Medium2024-10-16
CVE-2024-37995 Siemens SIMATIC 安全漏洞 — SIMATIC Reader RF610R CMIIT 2.7 Low2024-09-10
CVE-2024-37992 Siemens SIMATIC 安全漏洞 — SIMATIC Reader RF610R CMIIT 4.9 Medium2024-09-10
CVE-2024-20089 MediaTek 芯片 安全漏洞 — MT6835, MT6878, MT6886, MT6897, MT6980, MT6985, MT6989, MT6990, MT8678, MT8775, MT8792, MT8796 7.5AIHighAI2024-09-02
CVE-2024-39815 Vonets WiFi Bridges Improper Check or Handling of Exceptional Conditions — VAR1200-H 9.1 Critical2024-08-08
CVE-2024-38482 Dell CloudLink 安全漏洞 — CloudLink 6.6 Medium2024-08-02
CVE-2024-38435 Unitronics Vision PLC - CWE-703: Improper Check or Handling of Exceptional Conditions — Vision PLC 6.5 Medium2024-07-21
CVE-2024-6468 Vault Vulnerable to Denial of Service When Setting a Proxy Protocol Behavior — Vault 7.5 High2024-07-11
CVE-2024-39514 Junos OS and Junos OS Evolved: Receiving specific traffic on devices with EVPN-VPWS with IGMP-snooping enabled will cause the rpd to crash — Junos OS 6.5 Medium2024-07-10
CVE-2024-21525 node-twain 安全漏洞 — node-twain 8.3 High2024-07-10

Vulnerabilities classified as CWE-703 (对异常条件检查或处理不恰当) represent 94 CVEs. The CWE taxonomy describes the weakness; review individual CVEs for product-specific impact.